Title: Five-year records of mercury wet deposition flux at GMOS sites in the Northern and Southern hemispheres
Authors: SPROVIERI FRANCESCAPIRRONE N.BENCARDINO MARIANTONIAD’AMORE FRANCESCOANGOT HELENEBARBANTE C.BRUNKE ERNST-GÜNTHERARCEGA-CABRERA FLORCAIRNS WARRENCOMERO SARADEL CARMEN DIÉGUEZ MARÍADOMMERGUE AURELIENEBINGHAUS RALFFENG XIN BINFU XUEWUGARCIA PATRICIA ELIZABETHGAWLIK BERNDHAGESTRÖM ULLAHANSSON KATARINAHORVAT MILENAKOTNIK JOŽELABUSCHAGNE CASPERMAGAND OLIVIERMARTIN LYNWILLMASHYANOV NIKOLAYMKOLOLO THUMEKAMUNTHE JOHNOBOLKIN VLADIMIRRAMIREZ ISLAS MARTHASENA FABRIZIOSOMERSET VERNONSPANDOW PIAVARDÈ MASSIMILIANOWALTERS CHAVONWÄNGBERG INGVARWEIGELT ANDREASYANG XUZHANG HUI
Citation: ATMOSPHERIC CHEMISTRY AND PHYSICS vol. 17 no. 4 p. 2689–2708
Publisher: COPERNICUS GESELLSCHAFT MBH
Publication Year: 2017
JRC N°: JRC105998
ISSN: 1680-7316
URI: https://www.atmos-chem-phys.net/17/2689/2017/
http://publications.jrc.ec.europa.eu/repository/handle/JRC105998
DOI: 10.5194/acp-17-2689-2017
Type: Articles in periodicals and books
Abstract: The atmospheric deposition of mercury (Hg) occurs via several mechanisms, including dry and wet scavenging by precipitation events. In an effort to understand the atmospheric cycling and seasonal depositional characteristics of Hg, wet deposition samples were collected for approximately 5 years at 17 selected GMOS monitoring sites located in the Northern and Southern hemispheres in the frameworkof the Global Mercury Observation System (GMOS) project. Total mercury (THg) exhibited annual and seasonal patterns in Hg wet deposition samples. Interannual differences in total wet deposition are mostly linked with precipitation volume, with the greatest deposition flux occurring in the wettest years. This data set provides a new insight into baseline concentrations of THg concentrations in precipitation worldwide, particularly in regions such as the Southern Hemisphere and tropical areas where wet deposition as well as atmospheric Hg species were not investigated before, opening the way for future and additional simultaneous measurements across the GMOS network as well as new findings in future modeling studies.
JRC Directorate:Sustainable Resources

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